Butterfly double disc duo Check Valve
This is valves as a result of composition and so on valve body,valve petal,valve cover.The valve petal opens under the hydraulic pressure function,and limits on valve cover raised.the fluid passes...

Duo Check Valve/Water Supplies
This is valves as a result of composition and so on valve body,valve petal,valve cover.The valve petal opens under the hydraulic pressure function,and limits on valve cover raised.the fluid passes...

DIN duo plate check valve
This is valves as a result of composition and so on valve body,valve petal,valve cover.The valve petal opens under the hydraulic pressure function,and limits on valve cover raised.the fluid passes...